id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A302270
[ 32, 2048, 23516, 353229, 4608075, 64975832, 893462062, 12314612510, 170772674650, 2358411011162, 32642910388558, 451854951125666, 6252677767027315, 86568880314498500, 1198444427129770000 ]
[ "nonn" ]
A283418
[ 82004, 158235, 326864, 442035, 516704, 1102724, 1606275, 2151435, 2697435, 2912084, 2921535, 2979675, 3002804, 3241755, 3647475, 4322835, 5801984, 5905844, 6069195, 7251075, 7387604, 7553924, 8272124, 8788724, 9292724, 9909584 ]
[ "nonn" ]
A285505
[ 5, 6, 9, 10, 17, 18, 21, 22, 29, 30, 33, 34, 41, 42, 45, 46, 49, 50, 53, 54, 57, 58, 61, 62, 69, 70, 73, 74, 81, 82, 85, 86, 89, 90, 93, 94, 97, 98, 101, 102, 109, 110, 113, 114, 121, 122, 125, 126, 133, 134, 137, 138, 145, 146, 149, 150, 157, 158, 161, 162 ]
[ "nonn", "easy" ]
A019318
[ 1, 2, 16, 252, 6814, 244344, 10746377, 553319048, 32611596056, 2163792255680, 159593799888052, 12952412056879996, 1147044793316531100, 110066314584030860000, 1.1375695977099383e+22, 1.2598439502573905e+24, 1.4884238054315947e+26, 1.8685311541775062e+28, 2.4838583816929848e+30, 3.485451229588622e+32 ]
[ "nonn", "nice" ]
A038593
[ 7, 19, 26, 37, 56, 61, 63, 91, 98, 117, 124, 127, 152, 169, 189, 208, 215, 217, 218, 271, 279, 296, 316, 331, 335, 342, 386, 387, 397, 448, 469, 485, 488, 504, 511, 513, 547, 602, 604, 631, 657, 665, 702, 721, 728, 784, 817, 819, 866, 875, 919, 936, 973, 988 ]
[ "nonn" ]
A114967
[ 16777216, 8916100448256, 3.934640807529654e+22, 1.048576e+26, 4.434264882430378e+38, 3.3145523113253375e+40 ]
[ "easy", "nonn" ]
A076981
[ 0, 0, 1, 2, 1, 4, 3, 6, 5, 4, 4, 10, 9, 12, 11, 10, 9, 16, 15, 18, 17, 16, 15, 22, 21, 20, 19, 18, 17, 28, 27, 30, 29, 28, 27, 26, 25, 36, 35, 34, 33, 40, 39, 42, 41, 40, 39, 46, 45, 44, 43, 42, 41, 52, 51, 50, 49, 48, 47, 58, 57, 60, 59, 58, 57, 56, 55, 66, 65, 64, 63, 70, 69 ]
[ "nonn" ]
A123182
[ 1, 2, 3, 2, 3, 4, 3, 3, 4 ]
[ "nonn" ]
A148455
[ 1, 1, 2, 6, 18, 54, 189, 633, 2304, 8304, 31165, 117040, 450812, 1738597, 6832754, 26873783, 107237479, 428294527, 1729570438, 6992686966, 28512482373, 116421902463, 478533610040, 1969894917140, 8152045246384, 33786980247672, 140634663815895, 586246071077852, 2452450863163104 ]
[ "nonn", "walk" ]
A062921
[ 0, 1, 2, 3, 22, 24, 46, 79, 87, 88, 96, 175, 183, 184, 521, 785, 2485, 2605, 3925, 8664, 8722, 48231, 114635, 204483, 556826, 2129443, 8597088, 18353039, 24710239, 32175566, 128702264, 435213792, 559060883, 773552402 ]
[ "base", "nonn", "more" ]
A202007
[ 11, 31, 61, 101, 111, 231, 261, 361, 431, 491, 541, 801, 851, 931, 1081, 1321, 1391, 1671, 1761, 1981, 2131, 2311, 2381, 2921, 3051, 3291, 3441, 3761, 3871, 4411, 4521, 4941, 5171, 5411, 5681, 6301, 6491, 6831, 7061, 7641, 7791, 8491, 8661, 9081, 9571 ]
[ "nonn" ]
A219700
[ 4, 7, 25, 64, 158, 374, 841, 1789, 3619, 7008, 13059, 23510, 41018, 69536, 114803, 184969, 291379, 449542, 680313, 1011318, 1478654, 2128898, 3021461, 4231325, 5852203, 8000164, 10817767, 14478750, 19193322, 25214108, 32842799, 42437561 ]
[ "nonn" ]
A173121
[ 0, 0, 48, 288, 960, 2400, 5040, 9408, 16128, 25920, 39600, 58080, 82368, 113568, 152880, 201600, 261120, 332928, 418608, 519840, 638400, 776160, 935088, 1117248, 1324800, 1560000, 1825200, 2122848, 2455488, 2825760, 3236400, 3690240 ]
[ "nonn", "easy" ]
A217024
[ 4, 1024, 108900, 12931216, 1501795009, 174892912804, 20353081850721, 2368756732515625, 275676538509042720, 32083375146710008000, 3.733875752060634e+21, 4.345499436743845e+23 ]
[ "nonn" ]
A123075
[ 1, 2673, 811538, 5978882, 137149922, 292965218, 779888018, 5745705602, 105760443698, 49511121842, 1872511131218, 281539574498, 17673688436978, 17873514984962, 253930825318898, 7865870969138, 768054952462322 ]
[ "nonn" ]
A165916
[ 2, 2, 3, 2, 3, 2, 5, 3, 5, 6, 2, 3, 5, 6, 7, 2, 3, 5, 6, 2, 3, 7, 2, 6, 7, 10, 2, 3, 5, 6, 7, 10, 11, 2, 5, 6, 7, 11, 3, 5, 6, 10, 13, 2, 3, 5, 7, 11, 13, 14, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 3, 5, 6, 7, 10, 11, 14, 2, 3, 5, 6, 11, 14, 15, 17, 2, 3, 10, 13, 14, 15 ]
[ "nonn", "tabf" ]
A063191
[ 1, 9, 11, 15, 25, 27, 36, 173, 202, 1965, 10312, 13538, 31564, 39844, 88358, 90936, 171767, 798975, 1350952, 1934096, 4998490, 6950469, 16097930, 30366857, 201980012, 280003359, 726993911, 6157450525, 25921409405, 26415716358 ]
[ "nonn", "easy" ]
A316686
[ 0, 0, 0, 0, 3, 0, 0, 5, 5, 0, 0, 18, 14, 18, 0, 0, 61, 73, 73, 61, 0, 0, 209, 387, 769, 387, 209, 0, 0, 702, 2000, 6742, 6742, 2000, 702, 0, 0, 2381, 10487, 62314, 101803, 62314, 10487, 2381, 0, 0, 8069, 54957, 570806, 1591947, 1591947, 570806, 54957, 8069, 0, 0, 27330 ]
[ "nonn", "tabl" ]
A114364
[ 4, 18, 48, 100, 180, 294, 448, 648, 900, 1210, 1584, 2028, 2548, 3150, 3840, 4624, 5508, 6498, 7600, 8820, 10164, 11638, 13248, 15000, 16900, 18954, 21168, 23548, 26100, 28830, 31744, 34848, 38148, 41650, 45360, 49284, 53428, 57798, 62400 ]
[ "easy", "nonn" ]
A046469
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 343, 736, 1285, 2187, 2592, 3125, 3685, 3972, 4096, 14641, 15552, 15632, 15642, 15645, 15655, 15656, 15662, 15667, 15698, 16384, 17536, 23328, 32771, 32785, 37179, 39369, 39372, 39382, 43775, 45927, 45947, 46660 ]
[ "base", "nonn" ]
A243320
[ 1, 0, 0, 1, 0, 2, 1, 6, 7, 29, 64, 287, 1148, 7267, 55997, 620561 ]
[ "nonn", "more" ]
A033748
[ 1, 2, 2, 6, 8, 8, 18, 20, 18, 36, 44, 36, 68, 84, 60, 124, 148, 100, 192, 240, 164, 296, 384, 232, 446, 578, 344, 610, 800, 480, 824, 1148, 610, 1116, 1548, 848, 1460, 1988, 1124, 1804, 2664, 1364, 2312, 3360 ]
[ "nonn" ]
A129574
[ 1, 2, 3, 3, 3, 4, 4, 3, 4, 5, 4, 4, 4, 4, 6, 5, 3, 5, 5, 4, 6, 6, 4, 4, 5, 5, 6, 6, 4, 6, 6, 3, 5, 6, 6, 7, 5, 4, 6, 6, 4, 6, 6, 4, 8, 8, 4, 4, 5, 6, 7, 6, 4, 6, 8, 6, 6, 6, 4, 6, 6, 4, 8, 7, 5, 8, 6, 4, 6, 8, 6, 5, 5, 4, 8, 8, 6, 8, 6, 4, 7, 7, 4, 6, 8, 6, 6, 6, 4, 8 ]
[ "nonn" ]
A085683
[ 2, 4, 9, 15, 28, 36, 51, 59, 75, 102, 112, 141, 159, 169, 187, 218, 248, 262, 293, 313, 327, 357, 378, 412, 460, 483, 493, 515, 529, 553, 636, 658, 696, 706, 767, 781, 821, 857, 877, 918, 952, 972, 1032, 1048, 1071, 1085, 1167, 1239, 1266, 1280, 1306, 1342, 1364, 1422 ]
[ "nonn" ]
A069423
[ 1, 19, 147, 907, 5149, 28159, 151331, 806463, 4280141, 22670199, 119955523, 634412111, 3354416225, 17734138519, 93751306327, 495600489243, 2619870168133, 13849199313235, 73209594712831, 386999645945759, 2045750897807901, 10814208630415212, 57165847109895880 ]
[ "nonn", "easy" ]
A028816
[ 0, 1, 2, 3, 11, 22, 26, 101, 111, 121, 202, 212, 264, 307, 1001, 1111, 2002, 2285, 2636, 10001, 10101, 10201, 11011, 11111, 11211, 20002, 20102, 22865, 24846, 30693, 100001, 101101, 110011, 111111, 200002, 1000001, 1001001, 1002001, 1010101, 1011101, 1012101 ]
[ "nonn", "base" ]
A151478
[ 1, 1, 4, 12, 54, 210, 1020, 4445, 22610, 105210, 551376, 2678676, 14332164, 71788860, 389991888, 1998530820, 10984120290, 57293297490, 317798892840, 1681213457352, 9395215622364, 50278804820244, 282711201927336, 1527524202392370, 8633634028624332, 47028406025950300, 266981514041485600 ]
[ "nonn", "walk" ]
A013275
[ 0, 0, -1, 3, -6, 15, -135, 1260, -8820, 65205, -722925, 9043650, -101974950, 1197971775, -17665522875, 286053768000, -4408292889000, 70284304715625, -1307027554457625, 26160675737946750, -509941992726416260 ]
[ "sign" ]
A003457
[ 0, 1, 0, 1, 0, 1, 0, 1, -1, 14, -140, 1804, -27413, 487469, -10026347, 236192434, -6317862397, 190439655627, -6425425249652, 241207241774251, -10020155328258126, 458387180159766500, -22989944171828253000, 1.2590235960725547e+21, -7.500866746076964e+22 ]
[ "sign" ]
A105757
[ 2, 31, 61, 5976577, 1.9891797973985997e+42, 1.1241696329548911e+49, 7.366630257670676e+52 ]
[ "nonn" ]
A385059
[ 1, 1, 7, 40, 397, 2336, -46601, -2661896, -125428775, -3724273664, -90080842229, 1096530753176, 400257318802213, 36023363702572000, 2951479723885411000, 178834401869241700000, 8.444450128124256e+21, -5.923996009790279e+22, -9.200006820077801e+25 ]
[ "sign" ]
A010348
[ 1, 2, 3, 4, 5, 99, 190, 2292, 2293, 2324, 3432, 3433, 6197, 36140, 269458, 391907, 10067135, 2510142206, 2511720147, 3866632806, 3866632807, 3930544834, 4953134588, 5018649129, 6170640875, 124246559501, 4595333541803, 5341093125744, 5341093125745, 19418246235419 ]
[ "base", "fini", "full", "nonn" ]
A237013
[ 61472, 92328, 149608, 282048, 566936, 1274544, 2995048, 7603440, 19947032, 55347408, 157602088, 468497328, 1423485656, 4480816464, 14392051048, 47675263920, 160980618392, 558520484688, 1971390265768, 7118618309808 ]
[ "nonn" ]
A009600
[ 1, 56, 5056, -8648704, -7517057024, 82066777604096, 27511745714323456, -8.171138983967372e+21, 7.435162229612489e+25, 3.45865943790268e+30, -1.7459605168004117e+35, -1.616689111713842e+39 ]
[ "sign" ]
A233783
[ 2, 23, 251, 347, 5023, 50227, 64037, 3924211, 4952767, 43275737, 586635689, 592856489, 62527264517 ]
[ "nonn", "base", "hard" ]
A258548
[ 44, 112, 296, 652, 1329, 2530, 4667, 8419, 14932, 26184, 45561, 78903, 136170, 234461, 403075, 692272, 1188185, 2038466, 3496239, 5995441, 10279967, 17625041, 30216773, 51802782, 88807568, 152244537, 260993810, 447421309, 767011467 ]
[ "nonn" ]
A228049
[ 7, 9, 8, 4, 1, 0, 5, 5, 1, 0, 1, 6, 8, 7, 8, 0, 0, 3, 8, 6, 5, 2, 6, 6, 5, 1, 7, 5, 6, 1, 3, 2, 6, 5, 8, 1, 6, 6, 2, 7, 9, 3, 1, 6, 1, 9, 5, 4, 9, 8, 8, 5, 5, 7, 4, 1, 5, 2, 8, 6, 8, 7, 1, 8, 1, 1, 5, 7, 7, 8, 3, 0, 9, 5, 1, 4, 3, 1, 1, 1, 3, 3, 5, 4, 1, 9 ]
[ "nonn", "cons", "easy" ]
A222653
[ 11, 724, 61757, 5024944, 411489189, 33625853402, 2757290901238, 226934394962954, 18748702054088170, 1554468757231979800, 129297779576953680000, 1.0785833060389951e+22, 9.02060948747064e+23 ]
[ "nonn" ]
A052744
[ 0, 0, 0, 6, 48, 840, 17280, 448560, 13789440, 491702400, 19929369600, 904873939200, 45486949939200, 2507639957222400, 150419515915468800, 9752720435377920000, 679630757528346600000, 5.065517776586391e+22 ]
[ "easy", "nonn" ]
A027385
[ 1, 2, 4, 8, 22, 48, 156, 320, 1008, 2640, 7700, 13824, 61320, 170352, 401280, 983040, 3796100, 7838208, 30566592, 62304000, 229686912, 670824000, 2003046356, 3583180800, 15403487000, 48881851200, 128672022528, 314657860608, 1163185915872, 2340264960000, 9947788640064 ]
[ "nonn" ]
A264235
[ 1, 2, 3, 8, 15, 144, 35, 5760, 2835, 44800, 6237, 43545600, 25025, 6706022400, 13030875, 229605376, 10854718875, 376610217984000, 282907625, 128047474114560000, 311834363841, 166487326720000, 407510816383125, 2.6976017466662584e+22, 62628675484375 ]
[ "nonn", "frac" ]
A122651
[ 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 3, 5, 5, 4, 6, 6, 4, 6, 6, 6, 9, 7, 4, 7, 8, 7, 9, 9, 6, 10, 10, 7, 10, 8, 8, 12, 9, 7, 12, 13, 8, 12, 12, 9, 16, 12, 5, 11, 13, 13, 15, 13, 9, 12, 15, 14, 17, 13, 7, 14, 14, 11, 21, 18, 13, 21, 16, 10, 14, 16, 12, 15, 15, 10, 21, 20, 13, 20, 16, 17, 25, 17, 9, 19 ]
[ "nonn", "look" ]
A299989
[ 0, 1, 0, 3, 4, 1, 0, 9, 24, 22, 8, 1, 0, 27, 108, 171, 136, 57, 12, 1, 0, 81, 432, 972, 1200, 886, 400, 108, 16, 1, 0, 243, 1620, 4725, 7920, 8430, 5944, 2810, 880, 175, 20, 1, 0, 729, 5832, 20898, 44280, 61695, 59472, 40636, 19824, 6855, 1640, 258, 24, 1 ]
[ "tabf", "easy", "nonn" ]
A155653
[ 1, 5, 65, 785, 8705, 92225, 953345, 9720065, 98320385, 989922305, 9939533825, 99637202945, 997823217665, 9986939305985, 99921635835905, 999529815015425, 9997178890092544, 99983073340555260, 999898440043331600 ]
[ "nonn", "easy" ]
A029899
[ 0, 1, 3, 5, 7, 10, 13, 17, 20, 25, 29, 33, 39, 44, 51, 56, 62, 70, 76, 85, 92, 100, 110, 121, 129, 137, 149, 158, 167, 180, 190, 204, 214, 229, 239, 250, 266, 278, 295, 307, 320, 338, 351, 370, 384, 398, 418, 439, 453, 468, 490, 506, 529, 545, 562, 586, 603 ]
[ "nonn", "nice" ]
A025507
[ 11, 92, 377, 470, 6351, 6968, 7175, 7268, 7565, 7970, 20337, 20370, 21981, 22008, 25637, 25664, 25691, 27968, 39183, 39210, 42397, 43128, 43149, 48636, 48729, 48756, 49013, 49040, 49067, 49094, 49863, 50080, 50089, 50386, 50413, 50958, 51343, 52242 ]
[ "nonn" ]
A337270
[ 1, 2, 3, 5, 7, 13, 20, 36, 57, 108, 185, 355, 637, 1246, 2344, 4595, 8895, 17532, 34592, 68287, 136053, 269046, 539516, 1068111, 2147477, 4254870, 8567392, 16982215, 34213477, 67850054, 136710948, 271162515, 546323617, 1083843471 ]
[ "nonn" ]
A315971
[ 1, 6, 9, 13, 20, 24, 30, 33, 39, 44, 50, 52, 59, 63, 70, 72, 76, 83, 91, 90, 98, 102, 109, 109, 118, 122, 128, 129, 137, 142, 148, 148, 157, 159, 168, 170, 174, 181, 187, 188, 194, 200, 207, 207, 214, 220, 226, 227, 233, 240 ]
[ "nonn" ]
A023915
[ 1, 600, 75900, 3555800, 77836050, 924978120, 6901688200, 37479599400, 162981777750, 594965730200, 1897531134180, 5410666657200, 14097598363900, 33985515175800, 76830818652600, 164035898209360 ]
[ "nonn" ]
A388974
[ 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 2, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1 ]
[ "nonn", "easy" ]
A188164
[ 1, 1, 1, 2, 2, 5, 5, 15, 15, 52, 52, 203, 203, 877, 877, 4140, 4140, 21147, 21147, 115975, 115975, 678570, 678570, 4213597, 4213597, 27644437, 27644437, 190899322, 190899322, 1382958545, 1382958545 ]
[ "nonn" ]
A267758
[ 0, 1, 2, 3, 5, 8, 4, 6, 7, 13, 20, 9, 10, 11, 21, 12, 14, 15, 16, 17, 33, 18, 19, 37, 56, 22, 23, 45, 24, 25, 26, 27, 28, 29, 57, 30, 31, 61, 92, 32, 34, 35, 36, 38, 39, 40, 41, 81, 42, 43, 85, 44, 46, 47, 93, 48, 49, 50, 51, 52, 53, 105, 54, 55, 58, 59 ]
[ "nonn" ]
A300153
[ 1, 4, 4, 2, 1, 3, 8, 12, 12, 8, 3, 4, 1, 4, 5, 12, 20, 24, 24, 20, 12, 4, 2, 9, 1, 10, 3, 7, 16, 28, 4, 40, 40, 4, 28, 16, 5, 8, 12, 12, 1, 12, 14, 8, 9, 20, 36, 48, 56, 60, 60, 56, 48, 36, 20, 6, 3, 2, 4, 20, 1, 21, 4, 3, 5, 11, 24, 44, 60, 72, 80, 84, 84, 80 ]
[ "nonn", "tabl" ]
A281002
[ 3511, 19, 1006003, 7, 11, 3511, 491531 ]
[ "nonn", "tabl", "more" ]
A362826
[ 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 4, 3, 1, 1, 1, 8, 8, 5, 1, 1, 1, 16, 21, 21, 7, 1, 1, 1, 32, 56, 84, 39, 11, 1, 1, 1, 64, 153, 331, 206, 92, 15, 1, 1, 1, 128, 428, 1300, 1087, 717, 170, 22, 1, 1, 1, 256, 1221, 5111, 5832, 5512, 1810, 360, 30, 1 ]
[ "nonn", "tabl" ]
A108082
[ 1, 4, 26, 176, 1204, 8273, 56967, 392688, 2708322, 18683233, 128892764, 889172365, 6133354976, 42300883471, 291696384929, 2011120962840, 13863370486596, 95548230542403, 658416136868846, 4536321401562529 ]
[ "nonn" ]
A080999
[ 1, 3, 5, 8, 15, 9, 20, 40, 27, 13, 21, 45, 39, 63, 48, 72, 100, 21, 135, 25, 65, 104, 63, 168, 33, 180, 81, 75, 195, 112, 240, 65, 37, 360, 105, 117, 189, 168, 99, 45, 243, 260, 125, 420, 195, 111, 200, 520, 315, 351, 567, 273, 57, 432, 135, 61, 165, 256, 900, 189, 375 ]
[ "nonn", "changed" ]
A176171
[ 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 3, 3, 3, 5, 3, 3, 3, 3, 5, 5, 3, 3, 3, 3, 3, 3, 5, 5, 3, 5, 3, 3, 3, 3, 5, 3, 3, 5, 3, 3, 3, 5, 3, 3, 3, 5, 7, 3, 5, 3, 5, 3, 5, 5, 3, 5, 3, 3, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 5, 7, 3, 3, 3, 5, 3, 3, 5, 3, 3, 7, 3, 3, 5, 7, 5, 3, 5, 3, 3, 7, 3, 5, 3, 5, 3, 3, 5, 5, 3, 5, 3, 5, 3, 3, 3 ]
[ "nonn" ]
A217559
[ 1, 2, 4, 3, 6, 5, 8, 7, 9, 23, 10, 29, 22, 11, 24, 31, 25, 13, 12, 17, 14, 37, 15, 19, 26, 53, 16, 59, 28, 71, 30, 73, 18, 79, 20, 211, 21, 223, 48, 227, 49, 229, 27, 41, 32, 43, 44, 233, 45, 47, 46, 239, 33, 61, 34, 241, 35, 67, 60, 251, 36, 257, 62, 83, 63, 89, 38, 263, 64, 269, 39, 271, 50, 277 ]
[ "nonn", "base" ]
A060747
[ -1, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, 151 ]
[ "sign", "easy" ]
A076235
[ 0, 1, 2, 2, 3, 2, 3, 3, 3, 3, 4, 5, 6, 5, 6, 6, 7, 7, 8, 9, 12, 10, 11, 11, 11, 11, 12, 15, 16, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 12, 12, 12, 12, 13, 13, 28, 29, 29, 30, 31, 31, 15, 15, 15, 15, 16, 17, 18, 18, 18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 22, 22, 22, 22, 22, 22 ]
[ "nonn" ]
A180548
[ 41, 43, 71, 73, 149, 179, 241, 271, 349, 379, 401, 409, 419, 433, 439, 443, 461, 541, 571, 643, 673, 701, 709, 719, 733, 739, 761, 773, 941, 971, 1249, 1279, 1409, 1423, 1433, 1453, 1459, 1471, 1483, 1489, 1549, 1579, 1709, 1723, 1733, 1741, 1753, 1759 ]
[ "base", "nonn" ]
A186560
[ 19683, 721, 2917, 6594, 12122, 20056, 29303, 35198, 53611, 85029, 121783, 199305, 321297, 465750, 728568, 1143162, 1676187, 2600987, 4073323, 6071427, 9378717, 14610267, 21959403, 33776511, 52386811, 79228491, 121620695, 188062383 ]
[ "nonn" ]
A109555
[ 2, 809, 821, 827, 857, 881, 1019, 1031, 1049, 1061, 1091, 1151, 1229, 1277, 1289, 1301, 1319, 1427, 1451, 1481, 1487, 1607, 1619, 1667, 1697, 1721, 1787, 1871, 1877, 1931, 1949, 1997, 2027, 2081, 2087, 2111, 2129, 2141, 2237, 2267, 2309, 2339, 2381 ]
[ "nonn", "less" ]
A180727
[ 1, 21, 37822859361, 441, 5.842587018385982e+27, 68122318582951680000, 794280046581, 85766121, 9261, 1.052301652861035e+37, 1.1362721659227242e+33, 1.2269432738610563e+29 ]
[ "base", "nonn" ]
A161895
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 2, 2, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 2, 4, 2, 2, 2, 1, 3, 4, 3, 2, 2, 1, 2, 4, 1, 4, 3, 1, 2, 1, 2, 2, 2, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 4, 2, 2, 1, 3, 6, 2, 6, 4, 2, 2, 2, 3, 6 ]
[ "nonn", "base" ]
A262621
[ 1, 4, 12, 4, 28, 20, 12, 4, 60, 52, 44, 36, 28, 20, 12, 4, 124, 116, 108, 100, 92, 84, 76, 68, 60, 52, 44, 36, 28, 20, 12, 4, 252, 244, 236, 228, 220, 212, 204, 196, 188, 180, 172, 164, 156, 148, 140, 132, 124, 116, 108, 100, 92, 84, 76, 68, 60, 52, 44, 36, 28, 20, 12, 4, 508, 500, 492, 484, 476, 468, 460, 452, 444, 436 ]
[ "nonn", "tabf" ]
A084220
[ 1, 57, 703, 3641, 15501, 40071, 117307, 233017, 512461, 883557, 1770231, 2559623, 4824613, 6686499, 10897203, 14913081, 24132657, 29210277, 47039023, 56439141, 82466821, 100903167, 148023723, 163810951, 242203001, 275002941, 373584043 ]
[ "nonn", "mult" ]
A013989
[ 1, 2, 6, 16, 50, 156, 532, 1856, 6876, 26200, 104456, 428352, 1821976, 7959056, 35857200, 165592576, 785514512, 3812387616, 18948962656, 96194028800, 498931946016, 2638959243712, 14234346694976 ]
[ "nonn", "easy" ]
A142537
[ 7, 113, 431, 643, 1279, 1597, 2339, 2551, 2657, 3187, 3823, 3929, 5413, 5519, 6367, 6473, 6791, 7109, 7321, 7639, 8699, 9547, 10289, 10501, 10607, 11243, 12197, 12409, 13151, 13469, 13681, 13999, 14423, 14741, 15271, 15377, 15907, 16649, 17497, 17921, 18133 ]
[ "nonn", "easy" ]
A295550
[ 13, 276, 4374, 78434, 1385901, 24486926, 434357928, 7703929911, 136731507572, 2425791860562, 43046580346073, 763911860239486, 13556371257153924, 240573778392292400, 4269273591050767000, 75763525863454460000 ]
[ "nonn" ]
A341494
[ 0, 0, 0, 1, 1, 3, 1, 7, 4, 13, 6, 23, 12, 39, 20, 63, 34, 98, 53, 150, 82, 225, 124, 329, 184, 475, 267, 676, 381, 948, 539, 1317, 752, 1810, 1038, 2460, 1417, 3319, 1920, 4442, 2578, 5897, 3437, 7780, 4547, 10200, 5980, 13285, 7815, 17214, 10154, 22191, 13122 ]
[ "nonn" ]
A023532
[ 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "easy" ]
A118917
[ 0, 0, 1, 0, 0, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0 ]
[ "easy", "nice", "nonn" ]
A279805
[ 0, 0, 0, 2, 2, 2, 4, 22, 22, 4, 14, 196, 740, 196, 14, 40, 1848, 19376, 19376, 1848, 40, 120, 16720, 507986, 1476500, 507986, 16720, 120, 352, 149392, 12910722, 110514378, 110514378, 12910722, 149392, 352, 1032, 1317720, 323712032, 8028037200 ]
[ "nonn", "tabl" ]
A241761
[ 1, 1, 2, 2, 5, 7, 9, 14, 20, 28, 39, 54, 71, 96, 127, 167, 220, 286, 368, 473, 604, 766, 970, 1219, 1528, 1907, 2373, 2939, 3634, 4472, 5489, 6715, 8198, 9972, 12109, 14658, 17711, 21340, 25669, 30796, 36890, 44082, 52594, 62613, 74435, 88303, 104613, 123698 ]
[ "nonn", "easy" ]
A219537
[ 1, 1, 3, 13, 66, 366, 2148, 13115, 82449, 530095, 3469401, 23037642, 154820262, 1050999343, 7196493255, 49644745965, 344704716018, 2407157839593, 16895247295947, 119121868831235, 843306880720218, 5992060655349521, 42718501097385210, 305476181765843300 ]
[ "nonn" ]
A279922
[ 0, 15, 474, 14281, 399487, 11023893, 295670293, 7789959515, 202165948916, 5182571589088, 131491345952984, 3306929199461466, 82536757955761100, 2046354441219248000, 50438781290555300000, 1.236742541751846e+21 ]
[ "nonn" ]
A383206
[ 1, 0, 1, 0, 3, 1, 0, 11, 9, 1, 0, 49, 71, 18, 1, 0, 257, 575, 245, 30, 1, 0, 1539, 4957, 3120, 625, 45, 1, 0, 10299, 45829, 39697, 11480, 1330, 63, 1, 0, 75905, 454015, 517790, 201677, 33250, 2506, 84, 1, 0, 609441, 4804191, 6999785, 3513762, 770007, 81774, 4326, 108, 1 ]
[ "nonn", "tabl" ]
A092518
[ 23, 29, 61, 67, 83, 163, 233, 239, 283, 293, 347, 349, 431, 439, 443, 449, 499, 563, 569, 613, 617, 619, 653, 659, 677, 683, 743, 929, 941, 1123, 1163, 1217, 1231, 1237, 1249, 1289, 1297, 1321 ]
[ "nonn", "base" ]
A255334
[ 1512, 7560, 16632, 19656, 25704, 28728, 34776, 37800, 43848, 44928, 46872, 55944, 61992, 65016, 71064, 80136, 83160, 89208, 92232, 98280, 101304, 107352, 110376, 119448, 125496, 128520, 134568, 143640, 146664, 152712, 155736, 161784, 164808, 170856, 173880, 182952, 189000, 192024, 198072, 207144, 210168, 216216 ]
[ "nonn" ]
A168765
[ 1, 40, 1560, 60840, 2372760, 92537640, 3608967960, 140749750440, 5489240267160, 214080370419240, 8349134446350360, 325616243407664060, 12699033492898898000, 495262306223057000000, 1.9315229942699222e+22 ]
[ "nonn", "easy" ]
A029440
[ 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 3, 2, 3, 3, 3, 3, 4, 3, 3, 4, 4, 4, 5, 5, 5, 6, 5, 6, 6, 6, 6, 7, 7, 7, 9, 8, 9, 9, 9, 9, 10, 10, 10, 12, 11, 12, 13, 13, 13, 14, 14, 14, 16, 15 ]
[ "nonn", "easy" ]
A225762
[ 0, 15, 1, 10, 4, 19, 16, 77, 21, 62, 229, 9, 52, 275, 30, 129, 200, 74, 240, 934, 1114, 401, 517, 33, 1433, 76, 431, 144, 742, 248, 521, 541, 3614, 1585, 18, 584, 691, 168, 35, 471, 352, 236, 869, 637, 258, 6100, 1459, 163, 1550, 1821, 1325, 1582, 885, 2751, 568 ]
[ "nonn", "hard" ]
A331758
[ 4, 14, 40, 89, 186, 327, 562, 891, 1362, 1957, 2790, 3813, 5176, 6795, 8770, 11105, 14020, 17335, 21380, 25981, 31306, 37247, 44254, 52021, 60956, 70767, 81832, 93971, 107818, 122745, 139630, 158011, 178228, 199949, 223806, 249349, 277676, 307887 ]
[ "nonn" ]
A183835
[ 701191, 71897239, 7093125423, 778858637315, 82530377465595, 9166454488125048, 995346656959801000, 110479563010698350000, 1.210767665341711e+22, 1.3411551368150906e+24, 1.4754548454475878e+26 ]
[ "nonn" ]
A242910
[ 1, 4, 3, 5, 9, 1, 2, 6, 3, 1, 6, 1, 1, 7, 7, 3, 1, 2, 4, 7, 7, 2, 2, 4, 7, 2, 4, 0, 2, 8, 9, 9, 6, 5, 4, 5, 0, 5, 9, 0, 9, 4, 3, 5, 6, 3, 2, 5, 6, 1, 1, 3, 1, 4, 6, 6, 8, 0, 0, 5, 8, 1, 9, 4, 7, 3, 5, 0, 3, 2, 5, 4, 8, 0, 4, 2, 8, 4, 7, 9, 0, 6, 1, 6, 2, 1, 3, 1, 8, 5, 4, 5, 7, 8, 0, 1, 7, 5, 8, 7 ]
[ "nonn", "cons" ]
A214668
[ 1, 9, 108, 1458, 21060, 318087, 4960116, 79227720, 1289516436, 21308126895, 356506456680, 6027199821864, 102804351279084, 1766931074710515, 30570993847594800, 532022685332573000, 9306598678048938000, 163549467160708840000, 2.886019647490699e+21 ]
[ "nonn" ]
A171526
[ 1, 1, 1, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50 ]
[ "nonn", "easy" ]
A365650
[ 1, 4, 36, 660, 16687, 487306 ]
[ "nonn", "hard", "more" ]
A353723
[ 0, 1, 2, 3, 5, 7, 11, 15, 23, 27, 29, 31, 39, 47, 55, 61, 63, 95, 111, 123, 127, 191, 255, 431, 443, 447, 495, 511, 639, 703, 759, 763, 767, 879, 895, 943, 959, 1007, 1023, 1727, 1775, 1791, 1919, 2015, 2047, 2559, 3007, 3063, 3071, 3583, 3839, 3967, 4031, 4063, 4079, 4095, 6111, 6127, 6143, 7135, 7165, 7167, 7671, 7679, 7935, 8063, 8183, 8191, 11775, 11999, 12031 ]
[ "nonn" ]
A111306
[ 1, 12, 12, 78, 12, 144, 12, 364, 78, 144, 12, 936, 12, 144, 144, 1365, 12, 936, 12, 936, 144, 144, 12, 4368, 78, 144, 364, 936, 12, 1728, 12, 4368, 144, 144, 144, 6084, 12, 144, 144, 4368, 12, 1728, 12, 936, 936, 144, 12, 16380, 78, 936, 144, 936, 12, 4368, 144 ]
[ "mult", "nonn" ]
A253272
[ 0, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 5, 6, 6, 7, 6, 7, 6, 6, 6, 7, 7, 7, 7, 7, 7, 6, 7, 7, 8, 7, 8, 7, 8, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 7, 8, 7, 9, 8, 9, 8, 9, 8, 9, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 7, 9, 8, 9, 8, 10, 9, 10 ]
[ "nonn", "tabl", "easy" ]
A155148
[ 2, 3, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000, 10000000000000000000, 100000000000000000000, 1e+21 ]
[ "nonn", "base" ]
A129668
[ 1, 2, 3, 11, 19, 121, 291, 1656 ]
[ "hard", "more", "nonn", "nice" ]
A340358
[ 1, 5, 24, 152, 1094, 8508, 69565, 588469, 5106516, 45199827, 406485567, 3703483221, 34111556603, 317103532465, 2971283282979, 28033510000286, 266092385194061, 2539244496436404, 24346664830510830, 234435203932318050, 2266062742515203600, 21980115620177318000 ]
[ "nonn" ]
A172433
[ 2, 6, 9, 16, 17, 27, 26, 36, 38, 48, 43, 67, 59, 67, 72, 88, 75, 102, 86, 111, 115, 123, 99, 150, 137, 142, 139, 169, 141, 192, 166, 192, 186, 189, 176, 253, 214, 217, 207, 263, 223, 284, 239, 269, 285, 285, 230, 332, 294, 325, 305, 339, 282, 350, 324, 391, 370, 369, 300, 448, 382, 377, 385, 438, 400 ]
[ "nonn" ]
A341123
[ 1, 1, 2, 3, 5, 6, 9, 11, 15, 17, 23, 25, 32, 34, 42, 45, 55, 56, 68, 71, 83, 84, 100, 100, 117, 118, 136, 135, 158, 153, 179, 178, 204, 200, 234, 226, 261, 255, 291, 283, 327, 310, 357, 344, 390, 371, 430, 405, 466, 444, 505, 476, 550, 511, 589, 557, 634, 589, 684, 629 ]
[ "nonn" ]
A143300
[ 1, 1, 1, 7, 8, 6, 4, 1, 5, 1, 1, 8, 9, 9, 4, 4, 9, 7, 3, 1, 4, 0, 4, 0, 9, 9, 6, 2, 0, 2, 6, 5, 6, 5, 4, 4, 4, 1, 6, 3, 1, 1, 5, 5, 1, 2, 0, 4, 1, 2, 8, 8, 4, 2, 6, 5, 0, 6, 2, 8, 6, 5, 1, 4, 0, 1, 6, 0, 5, 4, 5, 5, 1, 8, 4, 2, 0, 3, 8, 5, 9, 1, 8, 1, 4, 8, 8, 0, 0, 7, 3, 5, 6, 5, 0, 0, 5, 2, 7, 1, 2, 9, 1, 2, 7 ]
[ "nonn", "cons" ]
A105668
[ 1, 3, 12, 59, 325, 1875, 11029, 65607, 393750, 2382084, 14517939, 89091558, 550217901, 3418171915, 21351207168 ]
[ "nonn" ]